Our load balanced environment is causing problems for some automated update system (e.g. Wordpress, Drupal) and enabling session persistence would likely solve the issues we have been experiencing. The easiest way I can think of doing this is by setting a cookie whenever the viewer is accessing, for instance, http://mydomain.com/wp-admin/. In Apache, the following RewriteRule should spit out a cookie to the viewer which will trigger the session persistence --